Warning

TM 10-5410-228-10

CARBON MONOXIDE

Carbon monoxide is without color or smell, but it can kill you. Breathing carbon monoxide produces

symptoms of headache, dizziness, loss of muscular control, a sleepy feeling, and coma. Brain damage or

death can result from heavy exposure. Carbon monoxide occurs in the exhaust fumes of fuel-burning heaters

and internal combustion engines. When there is no air movement, carbon monoxide can become dangerously

concentrated. Precautions must be followed to ensure crew safety when the personnel heater, main or

auxiliary engine, or any vehicle is operated for any purpose. Always obey the following:

Do not operate personnel heater or engine of Extended Capacity Vehicle (ECV) in a closed place unless there

is sufficient air movement.

Do not sit in modified Lightweight Multipurpose Shelter (LMS) with idle engine for long periods without

operating the ventilator blower. If tactical situation permits, open hatches.

Do not drive ECV with inspection plates, cover plates, or engine compartment doors removed unless

necessary for maintenance purposes.

Be alert at all times during ECV operation for exhaust odors and exposure symptoms. If either is present,

immediately ventilate personnel compartments. If symptoms persist, remove affected crew to fresh air; keep

warm. Do not permit physical exercise. If necessary, give artificial respiration.

Be aware; the field protective masks for Chemical Biological Radiological (CBR) protection will not protect

you from carbon monoxide poisoning.

For artificial respiration, refer to FM 4-25.11.

ELECTRICAL CURRENT

The Chemical Biological Protective Shelter (CBPS) System contains high electrical currents. To avoid injury

during maintenance of the CBPS, adhere to the following:

Remove all jewelry.

Use electrically insulated tools where appropriate.

Take special precautions when working on or near electrical connections.

When working inside of LMS, tag power panel and ECV cab area to ensure power is not accidentally turned

on.

24 Vdc from the ECV batteries is applied to specific CBPS components (e.g., rear control panel and relay

box) even with the CBPS and ECV OFF, if power mode switch is in EXT position with Tactical Quiet

Generator (TQG) and converter ON. Be careful not to come in contact with the battery connections or hot

CBPS components when performing maintenance. If applicable, disconnect batteries and tag power cable

area.

Never work on electronic equipment unless there is another person nearby who is familiar with the

operation and hazards of the equipment and who is competent in administering first aid. When the

technician is aided by operators, he must warn them about dangerous areas.

Whenever the nature of the operation permits, keep one hand away from the equipment to reduce the

hazard of current flowing through the body.

Before applying power to the system, connect the ground cable from external 10 kW Tactical Quiet

Generator (TQG) to ground rod and to LMS power panel. Do not remove the grounding system until all

system power is shut off and all power cables have been disconnected.

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